I think the general reply to what subjects you should take is do o An A in History is probably looked nes you will do well in and are good at.upon more favourably than a D in Maths. Whichever subjects you choose do put 110% effort into them. If you can do maths and physics then personally I think they are a good choice, but do not feel pressured into doing them. I am slightly confused about your wording of self-sponsorship. If you want to do everything self-sponsored then really all you need is a large chequebook, it is generally the sponsorships that will have particular academic criteria. Hope this proves helpful.